<!DOCTYPE HTML>
<html class="reftest-wait">
<body>
<div id="d" style="background:black; width:300px; height:300px; opacity:0.5;"></div>
<script>
function doTest() {
  document.getElementById('d').style.opacity = 0.001;
  document.documentElement.removeAttribute("class");
}
window.addEventListener("MozReftestInvalidate", doTest, false);
</script>
</body>
</html>
